China HITACHI EX100 120 200-1 HYDRAULIC TANK CAP (OEM HI 4222874) | Tonkee®

Sealing and Containment: The primary function of the hydraulic tank cap is to seal the hydraulic tank, preventing the entry of contaminants like dust, dirt, water, and debris.

A secure seal ensures that the hydraulic fluid remains clean and free from impurities, which is vital for the proper functioning of the hydraulic system.

Pressure Regulation: The hydraulic tank cap also helps regulate the pressure within the hydraulic tank. Hydraulic systems operate under various pressure levels, and the cap is designed to maintain the optimal pressure to ensure smooth and efficient hydraulic system operation.

Preventing Hydraulic Fluid Loss: It prevents hydraulic fluid from leaking out of the tank. Hydraulic fluid is expensive and critical to the excavator's operation. The cap's seal ensures that the fluid remains within the system, preventing costly leaks.

Safety: Proper sealing is essential for safety. It prevents hydraulic fluid from splashing or leaking out, reducing the risk of accidents and environmental contamination.

The HI 4222874 hydraulic tank cap is designed with specific characteristics to meet the demands of Hitachi EX100, EX120, and EX200-1 excavators:

Material: The cap is typically made from durable materials like high-quality plastic or metal to withstand the harsh operating conditions of construction sites.

Design: It has a threaded design that allows it to be securely fastened to the hydraulic tank's filler neck. This ensures a tight seal to prevent contaminants from entering and hydraulic fluid from escaping.

Pressure Relief Valve: Some hydraulic tank caps come with an integrated pressure relief valve. This valve helps maintain the optimal pressure within the hydraulic system by releasing excess pressure when necessary.

Ventilation: The cap may also include ventilation features to equalize pressure between the tank and the external environment, reducing the risk of vacuum formation or pressure buildup.

OEM Specification: Being an OEM part (Original Equipment Manufacturer), the HI 4222874 hydraulic tank cap is designed to meet Hitachi's strict quality and performance standards. This ensures compatibility and reliable performance with Hitachi excavators.

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